I agree with acs for getting a handle on this latest nose-dive in behavior.
Our school system will not give us copies of test results, but we can get a meeting and come in and take notes. Its weird in my opinion, but at least we can get the info. You might inquire if this is the case rather than a hard and fast "no test results".
What does he want to do?
If it is college, think outside the box.
This sounds very interesting:
http://en.wikipedia.org/wiki/Deep_Springs_Collegeand this:
http://www.cooper.edu/administration/admissions/Welcome.html(every undergrad student receives full tuition.)
I am sure there are other options as well.
Very very best of luck to you and your ds.